263243141342361 has 64 divisors (see below), whose sum is σ = 409535737712640. Its totient is φ = 166797642908160.

The previous prime is 263243141342359. The next prime is 263243141342371. The reversal of 263243141342361 is 163243141342362.

263243141342361 is a `hidden beast` number, since 2 + 6 + 3 + 2 + 431 + 4 + 134 + 23 + 61 = 666.

It is not a de Polignac number, because 263243141342361 - 2¹ = 263243141342359 is a prime.

It is a super-2 number, since 2×263243141342361² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (263243141342371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 277772841 + ... + 278718921.

It is an arithmetic number, because the mean of its divisors is an integer number (6398995901760).

Almost surely, 2^{263243141342361} is an apocalyptic number.

It is an amenable number.

263243141342361 is a deficient number, since it is larger than the sum of its proper divisors (146292596370279).

263243141342361 is a wasteful number, since it uses less digits than its factorization.

263243141342361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948963 (or 948957 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 45.

Subtracting from 263243141342361 its reverse (163243141342362), we obtain a palindrome (99999999999999).

The spelling of 263243141342361 in words is "two hundred sixty-three trillion, two hundred forty-three billion, one hundred forty-one million, three hundred forty-two thousand, three hundred sixty-one".